Soaked white pea into hot water for 5-6 hours.
Now in a pressure cooker, add soaked peas, turmeric powder, salt and potatoes. Cover the lid and pressure cook it for 3-4 whistles on medium flame.
Then in a pan, add oil, cumin seed, hing, and garlic-ginger-green chilli paste and sauté it.
Add chopped onion and tomatoes. Sauté till tomatoes become soft and mashy. Then add turmeric powder, red chilli powder, coriander powder and garam masala.
Now add boiled peas, potato pieces and water. mix well.
Cover and cook for 5 minutes.
Lastly, Add coriander leaves and lemon juice. Ragda is ready.